diff --git a/djangoseo/backends.py b/djangoseo/backends.py
index 25a481b..3c338f9 100644
--- a/djangoseo/backends.py
+++ b/djangoseo/backends.py
@@ -206,7 +206,7 @@ class PathMetadataBase(MetadataBaseModel):
             if options.use_i18n:
                 _language = models.CharField(
                     _("language"),
-                    max_length=5,
+                    max_length=7,
                     null=True,
                     blank=True,
                     db_index=True,
@@ -273,7 +273,7 @@ class ViewMetadataBase(MetadataBaseModel):
             if options.use_i18n:
                 _language = models.CharField(
                     _("language"),
-                    max_length=5,
+                    max_length=7,
                     null=True,
                     blank=True,
                     db_index=True,
@@ -347,7 +347,7 @@ class ModelInstanceMetadataBase(MetadataBaseModel):
             if options.use_i18n:
                 _language = models.CharField(
                     _("language"),
-                    max_length=5,
+                    max_length=7,
                     null=True,
                     blank=True,
                     db_index=True,
@@ -438,7 +438,7 @@ class ModelMetadataBase(MetadataBaseModel):
             if options.use_i18n:
                 _language = models.CharField(
                     _("language"),
-                    max_length=5,
+                    max_length=7,
                     null=True,
                     blank=True,
                     db_index=True,